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3.10.18.md

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RabbitMQ 3.10.18 is a maintenance release in the 3.10.x release series.

This series reaches its end of community support on July 31st, 2023.

Please refer to the upgrade section from v3.10.0 release notes if upgrading from a version prior to 3.10.0.

This release requires Erlang 24.3 and supports Erlang 25. RabbitMQ and Erlang/OTP Compatibility Matrix has more details on Erlang version requirements for RabbitMQ.

Minimum Supported Erlang Version

Erlang 23 and 24 versions older than 24.3 have reached end of support.

This release of RabbitMQ requires Erlang 24.3 or later versions. Nodes will fail to start on older Erlang releases.

Erlang 25 is recommended: it offers much improved performance on ARM64 architectures, profiling with flame graphs across all architectures, and the most recent TLS 1.3 implementation.

Changes Worth Mentioning

Release notes can be found on GitHub at rabbitmq-server/release-notes.

Core Server

Bug Fixes

  • Reset and manually added nodes could start receiving stream replica data before its database was initialized, confusing all code paths that expected a blank node state.

    GitHub issue: #7222

  • Nodes could run into an exception with certain publishers that used QPid for client library.

    GitHub issue: #7119

CLI Tools

Features

  • rabbitmqctl set_permissions_globally is a new command that sets up user permissions in all existing virtual hosts.

    GitHub issue: #1000

  • rabbitmq-diagnostics cluster_status now lists how many CPU cores are available to individual nodes, plus a total.

    GitHub issue: #7135

MQTT Plugin

Bug Fixes

  • MQTT nodes did not correctly remove client IDs for clients connected to a node that was in the process of being removed from the cluster.

    GitHub issue: #7162

LDAP Plugin

Bug Fixes

  • Due to a $ sign escaping differences between Make and Bazel (the newly adopted build tool), default value of of user_dn_pattern setting was incorrect (had an extra $).

    GitHub issue: #7161

Dependency Upgrades

None in this release.

Source Code Archives

To obtain source code of the entire distribution, please download the archive named rabbitmq-server-3.10.18.tar.xz instead of the source tarball produced by GitHub.